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Finding the Fourth Proportional to 591,510.90, 887,266.35 and 402,554.10

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Solution

The fourth proportional to 591,510.90, 887,266.35 and 402,554.10 is: 603,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,510.90 : 887,266.35 = 402,554.10 : x
  2. Step 2: Convert to fraction form
    591,510.90/887,266.35 = 402,554.10/x
  3. Step 3: Cross multiply
    591,510.90x = 887,266.35 × 402,554.10
  4. Step 4: Simplify right side
    591,510.90x = 357,172,706,984.54
  5. Step 5: Solve for x
    x = 357,172,706,984.54/591,510.90
  6. Step 6: Final answer
    x = 603,831.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.